package com.cy.mqspringboot.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;

/**
 * @author huohuo
 * @create: 2021/7/6 15:20
 */
@RestController
@Slf4j
@RequestMapping("/ttl")
public class SendMsgController {
    @Autowired
    private RabbitTemplate rabbitTemplate;
    public static final String DELAYED_EXCHANGE_NAME = "delayed.exchange";
    public static final String DELAYED_ROUTING_KEY = "delayed.routingkey";
    @GetMapping("/sendMsg/{message}")
    public void sendMsg(@PathVariable String message){
        log.info(" 当前时间：{}, 发送一条信息给两个 TTL  队列:{}", new Date(), message);
        rabbitTemplate.convertAndSend("X", "XA", " 消息来自 ttl 为 为 10S  的队列: "+message);
        rabbitTemplate.convertAndSend("X", "XB", " 消息来自 ttl 为 为 40S  的队列: "+message);
    }

    @GetMapping("/sendExpirationMsg/{message}/{ttlTime}")
    public void sendMsg(@PathVariable String message,@PathVariable String ttlTime) {
        rabbitTemplate.convertAndSend("X", "XC", message, msg ->{
            // 发送消息的时候 延长
            msg.getMessageProperties().setExpiration(ttlTime);
            return msg;
        });
        log.info(" 当前时间：{}, 发送一条时长{} 毫秒 TTL  信息给队列 C:{}", new Date(),ttlTime, message);
    }

    //延迟消息插件方式
    @GetMapping("sendDelayMsg/{message}/{delayTime}")
    public void sendMsg(@PathVariable String message,@PathVariable Integer delayTime) {
        rabbitTemplate.convertAndSend(DELAYED_EXCHANGE_NAME, DELAYED_ROUTING_KEY, message,
                msg ->{
                    msg.getMessageProperties().setDelay(delayTime);
                    return msg;
                });
        log.info("  当 前 时 间 ： {},  发 送 一 条 延 迟 {}  毫 秒 的 信 息 给 队 列 delayed.queue:{}",
                new Date(),delayTime, message);
    }
}
